IOD_96E - ACCES I/O Products, Inc.
Contents
1. 3 1 SOFTWARE 5 1 EINDBASE rau ann 5 1 SETUP ERIER IR 5 1 PROGRAMMING 6 1 DEVELOPING YOUR OWN APPLICATION SOFTWARE 6 1 PROGRAMMING EXAMPLE 6 3 SAMPLE 6 4 CONNECTOR PIN ASSIGNMENTS 7 1 SPECIFICATION seeee RR RIA 8 2 PPI DATA SHEETS A 2 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL INSTALLATION The software provided with this card is contained on either one CD or multiple diskettes and must be installed onto your hard disk prior to use To do this perform the following steps as appropriate for your software format and operating system Substitute the appropriate drive letter for your CD ROM or disk drive where you see DJ or Al respectively in the examples below CD INSTALLATION DOS WIN3 x 1 Place the CD into your CD ROM drive 2 Type JE to change the active drive to the CD ROM drive 3 Type lev to run the install program 4 Follow the on screen prompts to install the software for this card WIN95 98 NT 1 Place the CD into your CD ROM drive 2 The CD should automatically run the install program after 30 seconds If the install program does not run click START RUN and type talus click OK or press eed 3 Follow the on screen prompts to install the software for this card 4 Click the Go to ACCES Web2. button to check for software updates 3 5 INCH DISKETTE INSTALLATION As with any software package you should make backup copies for everyday use and store your original master diskettes in a safe location The easiest way to make a backup copy is to use the DOS DISKCOPY utility In a single drive system the command is Sr AI You will need to swap disks as requested by the system In a two disk system the command is CUSIP HI ed 1 1 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL This will copy the contents of the master disk in drive A to the backup disk in drive B To copy the files on the master diskette to your hard disk perform the following steps 1 Place the master diskette into a floppy drive 2 Change the active drive to the drive that has the diskette installed For example if the diskette is in drive A type LJE 3 Type and follow the on screen prompts DIRECTORIES CREATED ON THE HARD DISK The installation process will create several directories on your hard disk If you accept the installation defaults the following structure will exist CARDNAME Root or base directory containing the SETUP EXE setup program used to help you configure jumpers and calibrate the card DOS PSAMPLES A subdirectory of CARDNAME that contains Pascal samples DOS CSAMPLES A subdirectory of CARDNAME that contains C samples WIN32 language Subdirectories containing samples
3. C Lo output Port B output 0 1 Port C Hi input Port A input Mode 0 06 Mode 0 Active Mode Set This corresponds to 98 hex If the card base address is 200 hex use the C command to write to the control register as follows Base 0x2D0 outportb Base 3 0x98 To read the inputs at Port A and the upper nybble of Port C use the C command x inportb Base Read Port A y inportb Base 2 16 Read Port C Hi To set outputs high 1 at Port B and the lower nybble of Port C outportb Base 1 0xFF Turn on all Port B bits outportb Base 2 0xF Turn on all bits of Port C Lo DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL SAMPLE PROGRAMS The following sample programs are in TURBO C and TURBO PASCAL languages They cover a security system that allows you to monitor the status of 16 switches and to automatically trigger four alarms that can be used to turn on lights activate a siren or send a signal to a silent alarm The alarm system in this demonstration has four arming stations which toggle the alarm on or off These programs are also provided on the CD that ACCES supplied with your IOD card TURBO PASCAL PROGRAM CONST BASEADDR 300 declare base address for IOD card CONST ON Edi declare some useful constants CONST OFF 0 ED TYPE sensor array array 0 15 of in
4. USER MANUAL printf This IOD card demonstration program simulates an alarm Wn printf system program for 16 sensors four arming stations and n printf four separate alarm outputs which could be routed to aM printf siren lights silent alarm etc n printf n printf THIS PROGRAM IS FOR DEMONSTRATION PURPOSES ONLY AND IS n printf NOT MEANT TO BE USED AS AN ACTUAL ALARM SYSTEM n printf n printf n printf Press any key to begin program n key getch old_arming_stations get_status do clrscr read_sensors sensors_now for i 0 i lt 15 i if lsensors_nowJ i printf Sensor d s n i is open printf n printf Press ESC to re scan RETURN to begin alarm scanning key getch while key 13 clrscr for this creates an infinite loop printf Waiting to be armed Press any key to halt program n do arming stations get status if kbhit abort 0 while arming_stations old arming stations sound 1000 delay 300 nosound printf Alarm system will activate in 15 seconds read_sensors sensors_at_arm old_arming_stations get_status start time NULL do while difftime time NULL start 15 printf n SYSTEM ACTIVE AND ARMED n n sound 900 delay 300 nosound j 0 do 6 10 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL read sensors sensors now for i 1 i lt 16 i ifsensors now i
5. an IBM PC XT AT or compatible computer The board contains four Programmable Peripheral Interface chips type 8255 5 PPI to provide computer interface to 96 digital I O lines Each PPI provides three 8 bit ports A B and C Each 8 bit port can be configured to function as either inputs or output latches Port C can also be configured as four inputs and four output latches Two I O lines of each port can be used for interfacing User Interrupts to the computer Interrupts are enabled by jumper installation or by a combination of jumper installation and a digital input line You can use Interrupts 2 through 7 Interrupts of all ports one per port are OR ed together I O wiring connections are via 50 pin headers on the board Five flat I O cables connect IOD 96E to termination panels such as ACCES model STA 50 Also this provides compatibility with OPTO 22 Gordos Potter amp Brumfield etc module mounting racks Every second conductor of the flat cables is grounded to minimize the effect of crosstalk between signals If needed for external circuits 5VDC power is available on each I O connector pin 49 If you use this power we recommend that you include a 1A fast blow fuse in your circuits in order to avoid possible damage to the host computer 2 1 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL The board occupies sixteen consecutive bytes within the I O address space The base address is selectable via ADDRESS SETUP DIP switches A5 A9
6. configuration when used with PCI COM ports Specifically it will configure compatible COM cards for IRQ sharing and multiple port issues This directory provides a generic interface for IRQ handling in Windows 95 98 NT Source code is provided for the driver greatly simplifying the creation of custom drivers for specific needs Samples are provided to demonstrate the use of the generic driver Note that the use of IRQs in 1 3 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL Findbase exe Poly exe Risc bat RISCTerm exe near real time data acquisition programs requires multi threaded application programming techniques and must be considered an intermediate to advanced programming topic Delphi C Builder and Visual C samples are provided DOS utility to determine an available base address for ISA bus non Plug n Play cards Run this program once before the hardware is installed in the computer to determine an available address to give the card Once the address has been determined run the setup program provided with the hardware to see instructions on setting the address switch and various option selections A generic utility to convert a table of data into an n order polynomial Useful for calculating linearization polynomial coefficients for thermocouples and other non linear sensors A batch file demonstrating the command line parameters of RISCTerm exe A dumb terminal type communication program designed for RS
7. for Win95 98 and NT WinRisc exe A Windows dumb terminal type communication program designed for RS422 485 operation Used primarily with REMOTE ACCES Data Acquisition Pods and our RS422 485 serial communication product line Can be used to say hello to an installed modem ACCES32 This directory contains the Windows 95 98 NT driver used to provide access to the hardware registers when writing 32 bit Windows software Several samples are provided in a variety of languages to demonstrate how to use this driver The DLL provides four functions InPortB OutPortB InPort and OutPort to access the hardware This directory also contains the device driver for Windows NT ACCESNT SYS This device driver provides register level hardware access in Windows NT Two methods of using the driver are available through ACCESS32 DLL recommended and through the DevicelOControl handles provided by ACCESNT SYS slightly faster SAMPLES Samples for using ACCES32 DLL are provided in this directory Using this DLL not only makes the hardware programming easier MUCH easier but also one source file can be used for both Windows 95 98 and WindowsNT 1 2 DIGITAL INPUT OUTPUT CARD VBACCES PCI WIN32IRQ IOD 96E USER MANUAL One executable can run under both operating systems and still have full access to the hardware registers The DLL is used exactly like any other DLL so it is compatible with any language capable of using 32 bit DLLs Con
8. 1 sensors_at_arm i 1 for arming stations get status if arming stations old arming stations j 1 used to signal alarm is de activated while j 1 start time NULL printf Alarm deactivated at s asctime gmtime amp start sound 900 delay 300 nosound delay 50 sound 900 delay 100 nosound else printf Sensor d has been activated n n start time NULL printf The time of alarm is s asctime gmtime amp start old_arming_stations get_status ALARM else for this end used to send program back to await re arm 6 11 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL CONNECTOR PIN ASSIGNMENTS Four 50 pin headers are provided on the IOD 96E card one for each group of 24 I O lines The mating connector is an AMP type 1 746285 0 or equivalent Connector pin assignments are listed below Notice that every second line is grounded to minimize crosstalk between signals Dames rn Port C Hi PC7 Port C hi PC6 Port C Hi PC5 Port C Hi PC4 Port C Lo PC3 Port C Lo PC2 Port C Lo PC1 Port C Lo PCO Port B PB7 Port B PB6 Port B PB5 Port PB4 Port PB3 Port PB2 Port B PB1 Port PBO Port A PA7 Port A PA6 Port PA5 Port A PA4 Port A PA3 Port A PA2 Port A PA1 Port A PAO 45 VDC Notes This line is an I O port and also an Interrupt Enable This line is an I O port and also a User I
9. 422 485 operation Used primarily with REMOTE ACCES Data Acquisition Pods and our RS422 485 serial communication product line Can be used to say hello to an installed modem RISCTerm stands for Really Incredibly Simple Communications TERMinal INSTALLING THE CARD Before installing the card carefully read the ADDRESS SELECTION and OPTION SELECTION Sections of this manual and configure the card according to your require ments Use the special software program called SETUP provided with the card It supplies visual aids to configure all areas of the board Be especially careful with address selection If the addresses of two installed functions overlap you will experience unpredictable computer behavior To install the card 1 Remove power from the computer 2 Remove the computer cover Remove blank I O backplate 4 Install jumpers for selected options See OPTION SELECTION section 3 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL 5 Select the base address on the card See ADDRESS SELECTION section 4 6 Loosen the nuts on the strain relief bar and swing the top end free 7 Install the card in an I O expansion slot If convenient select a slot adjacent to a vacant slot because this will make cable installation easier 8 Thread the I O cables by one through the cutout in the mounting bracket and plug them into the headers 9 Smooth the cables as close as practicable to the card and while holding them clos
10. ACCES I PRODUCTS INC 10623 Roselle San Diego CA 92126 4414 Tel 619 550 9559 FAX 619 550 7322 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL File MIOD 96E B3d DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL NOTICES The information in this document is provided for reference only ACCES does not assume any liability arising out of the application or use of the information or products described herein This document may contain or reference information and products protected by copyrights or patents and does not convey any license under the patent rights of ACCES nor the rights of others IBM PC PC XT and PC AT are registered trademarks of the International Business Machines Corporation Printed in the USA Copyright 1999 by ACCES I O PRODUCTS INC 10623 Roselle Street San Diego CA 92121 1506 All rights reserved DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL INSTALLATION 1 1 CD INSTALLATION 1 1 3 5 INCH DISKETTE INSTALLATION 1 1 DIRECTORIES CREATED ON THE HARD DISK 1 2 INSTALLING THE 14 FUNCTIONAL DESCRIPTION 2 1 FEATURES ee a 2 1 APPLICATIONS 2 1 DESCRIPTION sseeee III 2 1 IOD 96E BLOCK DIAGRAM 2 2 OPTION SELECTION 22 222 een II 3 1 OPTION SELECTION MAP
11. ARD 100 96 USER MANUAL d Inputs are not latched Each PPI contains a control register This Write only 8 bit register is used to set the mode and direction of the ports At Power Up or Reset all I O lines are set as inputs Each PPI should be configured during initialization by writing to the control registers even if the ports are going to be used as inputs Output buffers are automatically set by hardware logic according to the control register Control registers are located at base addresses 03 07 0B and OF Bit assignments in each of these control registers are as follows CONTROL REGISTER BIT ASSIGNMENTS Port C Lo CO C3 Port B Input 0 Output Input 0 Output Mode Selection Mode 1 0 Mode 0 Port C Hi C4 C7 Input 0 Output Port A 1 Input 0 Output Mode Selection 01 Mode 1 00 Mode 0 1X Mode 2 Mode Set Flag 1 Active 1 1 1 1 NOTE Contact ACCES for directions if you wish to operate this card in mode 1 or mode 2 Continued on next page 6 2 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL PROGRAMMING EXAMPLE The following programming example is provided as a guide to assist you in developing your working software In this example the card base address is 200 hex and I O lines of Port 0 are to be setup as follows portA Input portB Output port C hi Input port C lo Output Configure bits of the Control Register as D6 D5 D4 D3 D2 D1 DO 0 1 Port
12. Control Registers as described in the PROGRAMMING section of this manual Fig 2 OPTION SELECTION MAP Jeg lly urens 31929 3 1 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL ADDRESS SELECTION The IOD 96E Input Output Card occupies 16 bytes of I O space The card base address can be selected anywhere within an I O address range 000 3FF hex However two installed options can not share the same address If in doubt where to assign the base address of the IOD 96E refer to the Table below for a list of standard address assign ments TABLE 1 000 00F DMA Chip 8237A 5 020 021 Interrupt 8259A 040 043 Timer 8253 5 060 063 PPI 8255A 5 080 083 DMA Page Register OAX NMI Mask Register 0CX Reserved 0EX Reserved 100 1FF Not Usable 200 20F Game Control 210 217 Expansion Unit 220 24F Reserved 278 27F Reserved 2F0 2F7 Reserved 2F8 2FF Asynchronous Comm n Secondary 300 31F Prototype Card 320 32F Fixed Disk 378 37F Printer 380 38C SDLC Communications 380 389 Binary Synchronous Comm Secondary 3A0 3A9 Binary Synchronous Comm Primary 3B0 3BF IBM Monochrome Display Printer 3C0 3CF Reserved 3D0 3DF Color Graphics 3E0 3E7 Reserved 3F0 3F7 Diskette 3F8 3FF Asynchronous Comm n Primary These options can not be used together addre
13. anywhere within the hex 000 3FF range Refer to the OPTION SELECTION Section of this manual for a detailed description Utility software provided with the IOD 96E card is an illustrated setup program Interactive displays show locations and proper settings of DIP switches and jumpers to set up board address interrupt levels and interrupt enable Fig 1 IOD 96E BLOCK DIAGRAM Typical of Four Sections ADDRESS DECODE AND BUS INTERFACE TYPICAL OF FOUR 4 PORT B PORT C HI PORT C LO DATA BUFFERS COMPUTER I O BUS 2 200 IRQ INTERRUPT LEVEL SELECT ENABLE EXTERNAL INTERRUPT Figure 2 2 2 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL OPTION SELECTION Refer to the illustrated setup programs on the CD provided with the card when reading this section of the manual Also refer to the OPTION SELECTION MAP below Base address selection is covered both by the CD and in section 4 of this manual Interrupts are accepted on the I O connector pin 9 port C3 The interrupt signal is positive true Interrupts are enabled if I O connector 1 port C is held low Interrupts are disabled if I O connector pin 1 port C7 is held high User interrupts are directed to interrupts 2 through 7 by jumpers marked IN2 3 4 5 6 7 The foregoing are the only manual setups necessary to use the IOD 96E Input Output selection is done via software by writing to the PPI 8255 5
14. cr 5 gotoxy 5 writeln This i is the IOD card demonstration program This writeln program will simulate an alarm system program for writeln sixteen sensors and four arming stations along with writeln four separate alarm outputs which could be routed to writeln a siren lights silent alarm etc writeln writeln THIS PROGRAM IS INTENDED FOR DEMONSTRATION PURPOSES writeln ONLY AND IS NOT MEANT TO BE USED AS AN ACTUAL ALARM writeln SYSTEM writeln writeln writeln Press key to begin program key readkey old_arming_stations get_status this loads the status of the arming sitches repeat at the time the program is first activated clrscr A change in status indicates arming read_sensors sensors_now this reads the current status of the sensors for i 0 to 15 do begin which is then displayed to indicate open if sensors now i ZOFF then windows etc writeln Sensor i is open end writeln writeln Press ESC to re scan RETURN to begin alarm scanning key readkey until key 13 the repeat until loop gives the user an oppor tunity to shut open windows or doors and then re scan the sensors cirscr WHILE TRUE do begin this WHILEis used to form an infinite loop Writeln Waiting to be armed or press any key to halt program repeat this repeat until loop continues until arming arming stations get status station status changes indicating a
15. e to the card surface swing the strain relief bar into position and tighten nuts 10 Inspect for proper fit of the card and cables and tighten screws Make sure that the card mounting bracket is properly screwed into place and that there is a positive chassis ground 11 Replace the computer cover Input Output connections are via four 50 pin headers on the card A blank mounting bracket is provided with units that are marked for CE European Certification and for these units CE certifiable cable and break out methodology cables connected to ground at the aperture shielded twisted pair wiring etc must be used Also it is important that the card mounting bracket be properly screwed into place and that there be a positive chassis ground 1 5 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL FUNCTIONAL DESCRIPTION FEATURES 96 Channels of Digital Input Output Four and Eight Bit Groups Independently Selectable for I O Interrupt and Interrupt Disable Capability 5V Supply Available to User Compatible with Industry Standard I O Racks like Opto 22 Potter amp Brumfield etc APPLICATIONS Automatic Test Systems Security Systems Energy Management Robotics Relay Monitoring and Control Parallel Data Transfer to PC Sensing switch closures or TTL DTL CMOS Logic Driving Indicator Lights or Recorders DESCRIPTION The IOD 96E board was designed for industrial applications and should be installed in a long slot of
16. en the information in the following paragraphs will be of interest to you Follow the 8255 5 Specification in APPENDIX A to program the PPI s on the IOD 96E Digital Input Output Card A total of 16 address locations are used by the IOD 96E for addressing the PPI s four for each PPI The PPI s are addressed using address bits through AO See Address Selection section 4 of this manual as follows CONTROL REGISTER ADDRESS SELECTION TABLE Port Assignment Base Address Base Address 1 Base Address 2 Base Address 3 Base Address 4 Base Address 5 Base Address 6 Base Address 7 Base Address 8 Base Address 9 Base Address A Base Address B Base Address C Base Address D Base Address E Base Address F PA Port 0 PB Port 0 PC Port 0 Control Port 0 PA Port 1 PB Port 1 PC Port 1 Control Port 1 PA Port 2 PB Port 2 PC Port 2 Control Port 2 PA Port 3 PB Port 3 PC Port 3 Control Port 3 Read Write Read Write Read Write Write Only Read Write Read Write Read Write Write Only Read Write Read Write Read Write Write Only Read Write Read Write Read Write Write Only The IOD 96E uses four 8255 5 PPI s to provide a total of 96 bits input output capability The card is designed to use each of these PPI s in mode 0 wherein a There are two 8 bit ports A and B and two 4 bit ports C Hi and C Lo b Any port can be configured as an input or an output C Outputs are latched 6 1 DIGITAL INPUT OUTPUT C
17. ng code chirps the speaker to indicate disarming delay 100 no sound delay 50 sound 900 DIGITAL INPUT OUTPUT CARD delay 100 nosound end else if alarm begin IOD 96E USER MANUAL end of disarming routine writeln Sensor j has been activated gettime hour min sec hun writeln The time of alarm is hour min sec ALARM end end end TURBO C PROGRAM define BASEADDR 0x300 define ON 1 define OFF O0 include stdio h include conio h include time h include dos h int sensors at arm 15 intsensors now 15 int arming stations int old arming stations char key int i int j initialize outportb BASEADDR 3 0x93 procedure initialize read_sensors int ary else WHILE this end sends the program back to wait to be re armed declare base address for IOD card create useful constant bit by bit status of sensors at current time When compared against status of sensors at arm indicates break in if there is a change variables representing all four arming stations If the value changes toggle alarm ON OFF useful temporary variable useful temporary variable used in loops useful temporary variable outportb addr byte is C s method of accessing port memory This procedure sets Port A B and C LO as inputs and Port C hi as outputs Address 303 hex is the cont
18. nterrupt 7 1 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL SPECIFICATION Features 96 Input Output lines Pull ups on I O lines for CMOS and contact closure compatibility Compatibility with module mounting racks Digital Inputs Logic High 2 0 to 5 0 VDC Logic Low 0 5 to 0 8 VDC Input Load Hi 10 uA Input Load Lo 10 uA Digital Outputs Logic High 2 5 VDC min source 200 uA Logic Low 0 5 VDC max sink 1 7 mA Power Output 5 VDC from computer bus ext 1A fast blow fuse recommended Power Requirements 5 VDC at 400 mA typical Size 7 long 178 mm Environmental Operating Temperature Range 0 degr to 60 degr C Storage Temperature Range 50 degr to 120 degr C Humidity O to 9096 RH non condensing DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL WARRANTY Prior to shipment ACCES equipment is thoroughly inspected and tested to applicable specifications However should equipment failure occur ACCES assures its customers that prompt service and support will be available All equipment originally manufactured by ACCES which is found to be defective will be repaired or replaced subject to the following considerations TERMS AND CONDITIONS If a unit is suspected of failure contact ACCES Customer Service department Be prepared to give the unit model number serial number and a description of the failure symptom s We may suggest some simple tests to confirm the failure We will assign a Return Ma
19. rming or if key pressed then halt 1 until a key is pressed indicating program termination DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL until arming stations old arming stations sound 900 short tone indicating that alarm has been armed delay 300 oo nosound RENE writeln Alarm system will activate in 15 seconds read sensors sensors at arm old arming stations get status gettime hour min sec hun this code reads the system clock for the current 5 15 time which is used to delay for 15 seconds if i gt 60 then i i 60 repeat gettime hour min sec hun until sec i end of delay loop writeln writeln ALARM SYSTEM ACTIVE AND ARMED sound 900 short tone indicating that alarm is fully activated delay 300 no sound j 0 the following code compares current status of sen sors against status when armed to determine if break in has occurred any change indicates break in repeat read_sensors sensors_now for i 1 to 16 do begin if sensors now i 1 lt gt sensors at arm i 1 then j 1 end for arming_stations get_status if arming_stations lt gt old_arming_stations then flag used to signal that alarm is de activated until j lt gt 0 if j 1 then begin was set to 1 in the above loop then alarm is de activated gettime hour min sec hun writeln Alarm deactivated at hour min sec sound 900 the followi
20. rol register The bit pattern needed to set the desired mode and port designation is 10010011 93 Hex DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL unsigned char tempA unsigned char tempB tempA inportb BASEADDR tempB inportb BASEADDR 1 for i 0 i lt 8 i if tempA gt gt i amp ON this determines if bit i is on and sets the corres ary ON ponding array element to ON if it is If not sets else the array element to OFF ary OFF for i 0 i lt 8 i if tempB gt gt i amp ON ary ON else ary OFF procedure read sensors get status int temp temp inportb BASEADDR 2 this sets status to the lower half of Port C the the half defined in Initialize to be input for four four arming switches return temp amp OxOF function get_arming_status ALARM long int temp 0 sound 2000 this starts the computer s speaker outporto BASEADDR 0xF0 this sets Port C upper nybble bits to ON 1111 binary F hex do arming stations get status this activates 4 alarm outputs and then togles if arming stations 2old arming stations Port C Hi LSB which might be used temp 2000000000 dis armed with an external speaker outportb BASEADDR 2 inportb BASEADDR 2 0x1 0 while temp 2000000000 nosound Y procedure ALARM time_t start initialize clscr goto 5 5 DIGITAL INPUT OUTPUT CARD IOD 96E
21. s tempA and tempB with corre tempB port BASEADDR 1 sponding inputs from the IOD card for i 0 to 7 do begin if tempA shr i AND ON gt 0 then this tests to see if bit i is ON and sets the ary i ON corresponding array element to ON if it is else else the array element is set to OFF ary i OFF end for i 0 to 7 do begin if tempB shr i AND ON gt 0 then ary i 8 ON n order to get Port B into array elements 8 else thru 15 we add 8 to the bit numbers in the ary i 8 OFF assignment end end procedure read sensors function get status integer var temp integer begin this sets status to the lower nybble of Port temp port BASEADDR 2 C the half defined by Initialize to be input for get_status temp AND 0F four arming switches end function get_arming_status procedure ALARM var temp longint begin sound 2000 this starts the computer s speaker which acts as siren for the alarm temp 0 port BASEADDR 2 F this sets Port C s lower nybble bits to ON repeat arming stations get status this activates four alarm outputs and then if arming stations lt gt old arming stations then toggles Port C hi s LSB which temp 2000000000 disarmed might be used with external siren port BASEADDR 2 port BASEADDR 2 XOR 10 temp temp 1 until temp gt 2000000000 nosound end procedure ALARM DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL begin initialize board clrs
22. sses overlap To set desired board address refer to the illustrated Board Address setup program on the CD provided with the card Type the desired address in hexadecimal code and the graphic display shows you how to set the ADDRESS SETUP switches These switches are marked A4 A9 and form a binary representation of the address in negative true logic Assign 0 to all ADDRESS SETUP switches turned ON and assign 1 to all ADDRESS SETUP switches turned OFF DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL The following example illustrates switch selection corresponding to hex 2D0 or binary 10 1101 xxxx The xxxx represents address lines A2 A1 and AO used on the card to select individual registers at the PPl s See section 5 PROGRAMMING HexRepresentation 2 on O Conversion Mutipiers 2 Io gt r Binary Representaton 1 o t fofi CAUTION Review the address selection reference table carefully before selecting the card address If the addresses of two installed functions overlap you will experience unpredictable computer behavior 4 2 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL SOFTWARE ACCES supplies several programs to support the IOD 96E Digital I O card and also to help you develop your applications software These programs are on a CD that comes with your card and consist of a Setup program and three sample programs Other software included on the CD is described in the Installation sec
23. sult the manuals provided with your language s compiler for information on using DLLs in your specific environment This directory contains sixteen bit DLL drivers for use with VisualBASIC 3 0 and Windows 3 1 only These drivers provide four functions similar to the ACCES32 DLL However this DLL is only compatible with 16 bit executables Migration from 16 bit to 32 bit is simplified because of the similarity between VBACCES and ACCES32 This directory contains PCI bus specific programs and information If you not using an ACCES PCI card this directory will not be installed SOURCE PCIFind exe A utility program is provided with source code you can use to determine allocated resources at run time from your own programs in DOS A utility for DOS and Windows to determine what base address and IRQ are allocated to installed PCI cards This program runs two versions depending on the operating system Windows 95 98 NT displays a GUI interface and modifies the registry When run from DOS or Windows3 x a text interface is used For information about the format of the registry key consult the card specific samples provided with the hardware In Windows NT NTioPCI SYS runs each time the computer is booted thereby refreshing the registry as PCI hardware is added or removed In Windows 95 98 NT PCIFind EXE places itself in the boot sequence of the OS to refresh the registry on each power up This program also provides some COM
24. teger creates a type of variable used for sensor data VAR sensors at arm sensor array bit by bit status of sensors when alarm is activat ed Used to notify user of open windows etc VAR sensors now sensor now bit by bit status of sensors at current time When compared against sensors at arm indicates break in if there is a change VAR arming stations integer variables representing all four arming stations If VAR old arming stations integer value changes toggle alarm on off VAR hour min sec hun word variables used to retrieve time VAR key char useful temporary variable VAR i integer useful temporary variable used in loops VAR j integer i 4 procedure initialize board this procedure sets MODE 0 as active and sets Port A B and C LO as input and Port C HI as output begin port BASEADDR 3 93 port X is Pascal s method of accessing the port memory This code sets the port memory at address 303 hex the control register and to 93 hex because the bit pattern to set the desired mode and port designations is 10010011 which equals 93 hex end procedure initialize board DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL procedure read sensors VAR ary sensor ary VAR tempA byte this procedure fetches data from Ports A and B VAR tempB byte and returns a binary representation of each sensor begin tempA port BASEADDR this procedure load
25. terial Authorization RMA number which must appear on the outer label of the return package All units components should be properly packed for handling and returned with freight prepaid to the ACCES designated Service Center and will be returned to the customer s user s site freight prepaid and invoiced COVERAGE First Three Years Returned unit part will be repaired and or replaced at ACCES option with no charge for labor or parts not excluded by warranty Warranty commences with equipment shipment Following Years Throughout your equipment s lifetime ACCES stands ready to provide on site or in plant service at reasonable rates similar to those of other manufacturers in the industry EQUIPMENT NOT MANUFACTURED BY ACCES Equipment provided but not manufactured by ACCES is warranted and will be repaired according to the terms and conditions of the respective equipment manufacturer s warranty GENERAL Under this Warranty liability of ACCES is limited to replacing repairing or issuing credit at ACCES discretion for any products which are proved to be defective during the warranty period In no case is ACCES liable for consequential or special damage arriving from use or misuse of our product The customer is responsible for all charges caused by modifications or additions to ACCES equipment not approved in writing by ACCES or ifin ACCES opinion the equipment has been subjected to abnormal use Abnormal use for purposes of this warrant
26. tion of this manual The sample programs are in forms suitable for use with QuickBASIC C and Pascal The programs as follows Bi FINDBASE Locates available I O addresses li SETUP Board Setup Program FINDBASE This DOS program provides means for you to select an I O bus address that will not conflict with other installed computer resources When you select a base address the monitor displays a picture of the address selection DIP switch that shows the correct positions of the switches to select the base address you want SETUP This menu driven program provides a picture of the card on the computer monitor You make simple keystrokes to select the function you want and the picture changes to show how the jumpers or switches should be placed to effect your choices These programs do not program the card You must manually place the jumpers and switches DIGITAL INPUT OUTPUT CARD IOD 96E PROGRAMMING The IOD 96E is an I O mapped device that is easily configured from any language and any language can easily perform digital I O through the card s ports This is especially true if the form of the data is byte or word wide All references to the I O ports would be in absolute port addressing However a table could be used to convert the byte or word data ports to a logical reference USER MANUAL DEVELOPING YOUR OWN APPLICATION SOFTWARE If you wish to gain a better understanding of the programs listed in the previous section th
27. y is defined as any use to which the equipment is exposed other than that use specified or intended as evi denced by purchase or sales representation Other than the above no other warranty expressed or implied shall apply to any and all such equipment furnished or sold by ACCES 9 1 DIGITAL INPUT OUTPUT CARD IOD 96E USER MANUAL APPENDIX A PPI DATA SHEETS The data sheets in this Appendix are provided to help your understanding of the 8255 5 PPI which is manufactured by several companies These data sheets are reprinted with permission of Mitsubishi Electric Corporation Copyright 1987 The information diagrams and all other data included are believed to be correct and reliable However no responsibility is assumed by ACCES or Mitsubishi Electric Corp for their use nor for any infringements of patents or other rights belonging to other parties which may result from their use Values shown on these data sheets are subject to change for product improvement A 2
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